Creator
- Oregon State University. Agricultural Experiment Station40
- Oregon State University. Extension Service26
- Westigard, Peter H.12
- Southern Oregon Agricultural Experiment Station10
- University Of Idaho. Cooperative Extension Service8
- Pacific Northwest Vegetable Insect Conference7
- United States. Department Of Agriculture6
- Washington State University. Cooperative Extension6
- Western Orchard Pest And Disease Management Conference5
- Fisher, Glenn C.4
- Macswan, Iain C.4
- Morrell, Jeffrey J.4
- Oregon State University. Forest Research Laboratory4
- Oregon State University. Malheur Experiment Station4
- Riedl, Helmut W.4
- Douglass, Bernard S.3
- James, Robert L.3
- Oregon State University. College Of Engineering3
- Oregon State University. Department Of Horticulture3
- Oregon State University. Engineering Experiment Station3